package test;

import java.util.Scanner;

class ArrayUtils{
	public static double findMax(double[] arr,int begin, int end){
		 if(begin<end){
			 throw new IllegalArgumentException();
			 if(begin<0){
				 throw  new IllegalArgumentException();
			if(end>x.length){
				throw new IllegalArgumentException();
			}
		 }
	}
}


public class Main2 {
	Scanner sc= new Scanner(System.in);
	int n=sc.nextInt();
	double[] x=new double[n];
	for(int i = 0; i < x.length;i++){
		x[i]=sc.nextInt(); 
		
            
            
       }
}
